I am searching for information on the family of Francois Derouin and his wife Marie Vaudry. They were in St. Louis before 1813.Four children were born or christened there that I have found, Agnes, chr. 1814; Emilie, christened 1817; Isabelle, b. 1813; and Marie, who married in 1835.Would like to know when they came to St. Louis, and if there were other children. Also, was Francois married before Marie Vaudry? I am not descended from this Francois that I know of, but possibly from Etienne DeRouin and his wife Mary Ann Guitard, thru their daughter Marie. I am investigating Francois' family on the theory that he may have been a brother to Etienne. Would love to find out who their parents were, and when they came to St. Louis.